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powerpc/mpc85xx: Skip zero values for DDR debug registers
authorYork Sun <yorksun@freescale.com>
Fri, 17 Aug 2012 08:22:36 +0000 (08:22 +0000)
committerAndy Fleming <afleming@freescale.com>
Thu, 23 Aug 2012 17:16:55 +0000 (12:16 -0500)
commit744713a6a3ca19c77585a9452829a2e2a55693ad
tree3c2b3c02c6baa62186f6d0e55f036855428729f2tree | snapshot
parent709389b654de05fd6035656f5e082ba1757807b3commit | diff
powerpc/mpc85xx: Skip zero values for DDR debug registers

Some debug registers have non-zero default out of reset. If software is
not setting debug registers, skip writing to them to avoid unnecessary
overriding.

Also add debug messages for workarounds and debug registers.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
arch/powerpc/cpu/mpc85xx/ddr-gen3.c diff | blob | history
UBoot for KaRo TX COM modules